svg {
  cursor: crosshair;
  display: block;
  margin:auto;
}

.edge {
  stroke: #888;
  stroke-width:2px;
  stroke-linecap: round;
  stroke-linejoin: round;
  cursor: pointer;
}

.edge:hover, .dragLine {
  stroke: #333;
  stroke-width: 3px;
}

.edge.same-color {
  stroke: #ff4444;
}

.vertex {
  cursor: pointer;
}

.vertex:hover {
  stroke: #333;
  opacity: 0.8;
}

.dragLine.hidden {
	stroke-width:0;
}
